package Temp;

public class DemoTest {
    public static void main(String[] args) {
        Person p = new Person("老王", 23);
        Dog d = new Dog(2, "黑");
        p.keepPet(d, "骨头");

        Person p2 = new Person("老李", 25);
        Cat c = new Cat(3, "灰");
        p2.keepPet(c, "鱼");

    }
}